Unity Manual

The Unity Editor enables you to create 2D and 3D games, apps and experiences. The Unity Manual helps you learn how to use the Unity Editor and its associated Services. You can read the Manual from start to finish, or use it as a reference.

For documentation on the newest features introduced in 5.3, see What’s New in 5.3 in this Manual.

For information about upgrading your Unity projects from older versions, see the Upgrade Guide in this Manual.

Unity Manual sections

Working in Unity

A complete introduction to the Unity software.

Unity 2D

All of Unity’s 2D-specific features including gameplay, sprites and physics.

Graphics

The visual side of Unity including cameras and lighting.

Physics

Physics in Unity, including working with rigid bodies and manipulating them in 3D space.

Networking

How to implement Multiplayer and networking.

Scripting

Programming your games by using scripting in Unity.

Audio

Audio in Unity, including clips, sources, listeners, importing and sound settings.

Animation

Animation in Unity.

UI

Unity’s UI system.

Navigation

Navigation in Unity, including AI and pathfinding.

Unity Services

Our Services for making and improving your game.

Virtual reality

Integration with VR.

Contributing to Unity

Suggest modifications to some of Unity’s source code.

Platform specific

Specific information for the many non-desktop and web platforms supported by Unity.

Legacy topics

Useful for those maintaining legacy projects.

Further sources of information

For further guidance, please see:

• Unity Answers or Unity Forums - here you can ask questions and search answers.

• The Unity Knowledge Base - a collection of answers to questions posed to Unity’s Support teams.

• Tutorials - step by step video and written guides to using the Unity Editor.

• Unity Ads Knowledge Base - a guide to including ads in your game.

• Everyplay documentation - a guide to the Everyplay mobile game replay platform.

• Asset Store help - help on Asset Store content sharing.

Known issues

Is a feature not working as you expect it to? It might be an existing Known Issue. Please check using the Issue Tracker at issuetracker.unity3d.com.